$color: red;


@mixin input-placeholder {
    &.placeholder { @content; }
    &:-moz-placeholder { @content; }
    &::-moz-placeholder { @content; }
    &:-ms-input-placeholder { @content; }
    &::-webkit-input-placeholder { @content;}
}


input { 
    @include input-placeholder{
        letter-spacing: 2px;
        font-family: monospace;
        color: #bbbbbb;
        font-size: 16px;
        line-height: 18px;
    } 
}